High-Volume Apparel Fulfillment at OC3PL
The overview: what we handle, how a garment moves through the building, and every apparel guide.
How to Write a Size Chart That Cuts Returns
A good size chart is one of the simplest ways an apparel brand can prevent returns.
Answer One Question: Which Size Should I Buy?
A size chart has one job. The customer is standing between two sizes and wants to know which one to order. Everything on the chart should help answer that.
Garment measurements
Measurements of the actual garment laid flat, not just body measurements.How to measure
A simple diagram showing where each measurement is taken.Fit notes
Whether the style runs oversized, relaxed, regular or slim.Model details
The model’s height and the size they are wearing.Per-style charts
One chart per style when the fit differs, not one chart for the whole store.
What a useful chart includes:
What to Measure
Measure the garment, flat, the same way every time.
Lay a sample of each size flat and measure it. Write down the method so the next person measures the same way. Customers compare your numbers against a garment they already own and like, so garment measurements are often more useful than body measurements.
| Garment | Measurements to include |
|---|---|
| Tees and tops | Chest (pit to pit), body length, sleeve length, shoulder width |
| Hoodies and sweatshirts | Chest, body length, sleeve length from center back or shoulder, hem width |
| Pants and shorts | Waist, front rise, inseam, leg opening, hip |
| Swim | Waist, hip, and the body measurements the cut is designed for |
| Hats | Circumference, crown height, adjustable range |
Note whether measurements are in inches or centimeters, and use one unit consistently. Many US brands show inches first.
How to Show It
- Put the chart on the product page, next to the size selector, not on a separate page.
- Show one chart per style when the fit differs. An oversized hoodie and a fitted tee should not share a chart.
- Add a one-line fit note: "Runs oversized. Size down for a regular fit."
- Show the model’s height and size.
- Add a short diagram of where each measurement is taken.
- Keep the table simple enough to read on a phone.
Fit notes do a lot of work. Customers deciding between two sizes often decide on the fit note alone.
Fit Notes That Work
One plain sentence can settle the size question.
| Fit | Example fit note |
|---|---|
| Oversized | Cut big on purpose. Size down one for a regular fit. |
| Relaxed | Roomy through the chest and body. Take your usual size. |
| Regular | True to size. Take your usual size. |
| Slim | Close to the body. Size up if you are between sizes. |
| Cropped | Shorter body length. Check the length measurement before you order. |
Keep fit notes consistent across the store. If "relaxed" means one thing on your hoodies and another on your tees, customers stop trusting the label.
Test a fit note before you publish it. Ask a few people of different builds to try the sample in two sizes and say which one they would keep. Their answer is the fit note.
Mistakes to avoid
- Copying a generic chart from a supplier that does not match your actual garments.
- Showing body measurements only, with no idea how much room the garment leaves.
- Using different units on different pages.
- Hiding the chart behind a link the customer has to look for.
- Never updating the chart after a factory or pattern change.
Use Return Data to Fix It
Your returns tell you which charts are wrong.
If one size of one style keeps coming back with "too small", the chart or the fit note is not doing its job. If one color comes back more than others, the photos may be the problem, not the chart.
- Collect a return reason on every return, with options like too small, too big, not as pictured, damaged and wrong item.
- Review return reasons by style and size every month.
- Pick the style with the most fit returns and check its chart and fit note.
- Change one thing, then watch the next month’s returns.
OC3PL sends monthly return reports with return reasons and SKU-level detail, which makes this review simple. See why apparel gets returned and what apparel returns really cost.
Size Charts and the Warehouse
A size chart cannot fix a wrong pick. If the customer ordered a medium and received a large, the chart did its job and the warehouse did not. Separate fit returns from "wrong item" returns when you read the data.
Every style is slotted by size and color, so a picker reaching for a medium in black is not digging through a bin of mixed sizes. A new collection is slotted and ready to ship within one business day of receipt. Every unit is scanned at the pick, so a size mix-up is caught before packing.
Common Questions
Garment measurements for each size, a diagram of how they are taken, a fit note, and the model’s height and size.
Garment measurements are usually more useful, because customers compare them with clothes they already own. Some brands show both.
Yes, when the fit differs. One chart for the whole store misleads customers when styles are cut differently.
Look at return reasons by style and size. If one style keeps coming back as too small or too big, start with its chart and fit note.
It can reduce fit returns, which are one of the most common reasons clothing comes back. It cannot fix wrong items shipped, which is a warehouse problem.
On the product page, beside the size selector, readable on a phone.
A short sentence that tells customers how a style fits, such as "runs oversized, size down for a regular fit". It often settles the choice between two sizes.
Whenever a pattern or factory changes, and whenever return data shows one style coming back for fit more than others.
Related Reading
More detail, in OC3PL’s own guides.
Why Apparel Gets Returned and What to Do About It
The common reasons customers return clothing, how to read return data by style and size, and how to cut avoidable returns.
Returns Management
Simplify returns with OC3PL’s trusted returns management and restocking solutions. We handle inspection to tracking to keep operations running smoothly.
The Post-Purchase Experience for Apparel Brands
What happens after an apparel customer clicks buy: confirmation, shipping, unboxing, fit and exchanges. How each step shapes the next order.
Apparel Returns & Exchanges Fulfillment
Apparel returns and size exchanges processed within 48 hours: inspection, restock rules, branded return portals and monthly return-reason reports by SKU.
How DTC Apparel Brands Can Avoid Inventory Nightmares
A guide for DTC apparel brands on managing SKU complexity and high return rates. Learn strategies to improve inventory accuracy and avoid common pitfalls.
Apparel Size & Color Variants Explained
Why one style in five sizes and four colors is twenty SKUs to a warehouse, and how to set up variants so picking stays accurate.
Tell Us About Your Catalog
Send us your monthly order volume, SKU count and where you sell. You will get a line-item quote, and a person on site you can call.